If you have it Spinner lure at Lazy Creek works well. Beluga is a large size fish, 10 kg Min - 820 kg Max, if you use float use large size tackle
bass boilies or other boilies also work.
Added on June 2020
For European Seabass, Crystal Bay, Salmon Eggs, or Corn, 230 Pro or larger hook
Robin says with 450 kg Pro hook he had an 80% success rate
Lazy Creek works also.
Thank you Tom, Robin for sharing!Cryst Bay (or Lazy Creek), Spoon lure works also, although it will catch more of other fish than above.
For Beluga, Battleship Wreck, Corn, any size hook larger than 10 kg
Thank you Tom for sharing!